/*
 * $RCSfile: OffScreenCanvas3D.java,v $
 *
 * Copyright (c) 2006 Sun Microsystems, Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistribution of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - Redistribution in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in
 *   the documentation and/or other materials provided with the
 *   distribution.
 *
 * Neither the name of Sun Microsystems, Inc. or the names of
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 *
 * This software is provided "AS IS," without a warranty of any
 * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
 * EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
 * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
 * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
 * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
 * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
 * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
 * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
 * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 *
 * You acknowledge that this software is not designed, licensed or
 * intended for use in the design, construction, operation or
 * maintenance of any nuclear facility.
 *
 * $Revision: 1.1 $
 * $Date: 2006/02/01 01:32:53 $
 * $State: Exp $
 */

package printCanvas3D;

import context.*;

import java.awt.GraphicsConfiguration;
import java.awt.image.BufferedImage;
import javax.media.j3d.*;


//********************************************************************
//*** CLASS: OffScreenCanvas3D
//********************************************************************
public class OffScreenCanvas3D extends Canvas3D implements Context.Constants
{ private static final String TAG="printCanvas3D.OffScreenCanvas3D";
//private static final boolean DEBUG=true; // Overriding Context.Constants.DEBUG

  static final long serialVersionUID=0; // TODO ?

  // ******************************************************************
  // *** CONSTRUCTOR: OffScreenCanvas3D
  // ******************************************************************
  public OffScreenCanvas3D(GraphicsConfiguration graphicsConfiguration,boolean offScreen)
  {	super(graphicsConfiguration,offScreen); }

  
//  private BufferedImage bImage=null;
//  private ImageComponent2D buffer=null;
  public BufferedImage doRender(int width,int height)
  {
    if(DEBUG) Log.d(TAG,"doRender: width="+width+", height="+height);
    BufferedImage bImage=new BufferedImage(width,height,BufferedImage.TYPE_INT_ARGB);
    ImageComponent2D buffer=new ImageComponent2D(ImageComponent.FORMAT_RGBA,bImage);
	setOffScreenBuffer(buffer);
	renderOffScreenBuffer();
	waitForOffScreenRendering();
	bImage=getOffScreenBuffer().getImage();
    // To release the reference of buffer inside Java 3D.
    setOffScreenBuffer(null);
	return bImage;
  }

  public void postSwap()
  {
	// No-op since we always wait for off-screen rendering to complete
  }
}
